<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
	</head>
	<body>
		<div class="hander">
			
		</div>
		<div class="main">
			<div class="d1"></div>
			<div class="d3"></div>
			<div class="d2"></div>
		</div>
		<div class="footer"></div>
	</body>
	<style type="text/css">
		*{
			padding: 0;
			margin: 0;
		}
		.hander{
			height: 100px;
			background-color: #0000FF;
		}
		.main{
			display: flex;
		}
		.main .d1{
			width: 100px;
			background-color: #00FFFC;
		}
		.main .d2{
			width: 150px;
			background-color: #ffaa7f;
		}
		.main .d3{
			flex: 1;
			height: 300px;
			background-color: #000000;
		}
		.footer{
			height: 150px;
			background-color: red;
		}
	</style>
</html>
